Malicious PDF — malware analysis report

Static analysis result for SHA-256 104c89bdc91c7564…

MALICIOUS

PDF

41.8 KB Created: 2020-08-26 07:12:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b37381e4295e86f02207d61960b01bfd SHA-1: 4de60e86b2beadd05bc6cc743b7e705a3029c03e SHA-256: 104c89bdc91c75643adbf768e9c85ec306803dd189be8e4dbff7b44a512d206f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many of which point to a redirector service identified as malicious. The primary redirector URL is 'https://ttraff.ru/pify?keyword=abbi+glines+as+she+fades+pdf', which is also present in the document body. This suggests a phishing or scam attempt, likely aiming to direct users to malicious content or malware downloads. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=abbi+glines+as+she+fades+pdf In PDF document text
    • http://lapomevu.sjhscounseling.com/uploads/1/3/0/8/130813366/8065830.pdfIn PDF document text
    • http://mewuw.blueridgeridingclub.org/uploads/1/3/2/6/132682347/7101715.pdfIn PDF document text
    • http://nenigig.christhomasguitar.com/uploads/1/3/0/7/130776078/227792f35.pdfIn PDF document text
    • http://files.huckleberryrescue.com/uploads/1/3/0/8/130813510/973c465.pdfIn PDF document text
    • http://fugolu.backtothecityfestival.com/uploads/1/3/2/8/132814930/badan_kerafisig_xunujed_jixuxevefo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3917/8399/files/90468807769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4556/0219/files/jegagegob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2171/2034/files/download_idman_full_crack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6159/8616/files/awadhesh_premi_2019_video_dj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/wubonafowaruvewivujovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9145/1303/files/rusux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/6145/2440/files/fubejuwotajoxigifigevutub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8862/5302/files/74091076465.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5366/2887/files/39220202884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1818/1016/files/wuxakavag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6566/1853/files/caritas_in_veritate_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0611/3430/files/26480512713.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6014/3014/files/50521434986.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006627.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6627 5336 bytes
SHA-256: b68d8f275d9e8dda4abb164db068e8416a94f88ec5ee585eede03e74df715ff2
font_01_sfnt_off00007841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7841 9964 bytes
SHA-256: 02d821db434819f9a6ac89920b6f050872bbf03d0178455894baa3cae42d4c81

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